OpenTechnical

OT-2026-000070630

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000070630) never changes.

Identity and time

Publication numberOT-2026-000070630 · never reused
Internal UUID01a0ae91-8c2b-7d77-92cc-220b6025ce8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070630
StatusPUBLIC

Content hashes

Canonical text01ce0064b3ecadc601b329058d8134296ea1a36e92d2121728f725e967993409
Markdowne95c7c8e60d8e8b725a51e05ba52c987649d277ac75a80c56a22b254d27f867c
PDF
Publication pagebeabb53099e9faacfa123246dd2042cb3137fb2578024ad6c4c440dc8cafff7b
Manifest5c62c28769dd8374889094819a678fb3e6fbc6f4b1bffc4cd12f9cd1ecca08b6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturec539P/KMHCpk8o8WtulDP/+mgKALVJsEk6Rg54Lp2IGXODYPlcMV/N/ZAMF4lVP/9F0tRqZVPw5zY3mY6aFOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:17.844339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070630
observed beabb53099e9faacfa123246dd2042cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.824630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070630/manifest.json
observed 5c62c28769dd8374889094819a678fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.806270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070630/publication.md
observed e95c7c8e60d8e8b725a51e05ba52c987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.787613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070630/publication.txt
observed 01ce0064b3ecadc601b329058d813429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.